CN210680112U

CN210680112U - Double-circuit positive and negative pressure system

Info

Publication number: CN210680112U
Application number: CN201920589188.6U
Authority: CN
Inventors: 卢关良
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-27
Filing date: 2019-04-27
Publication date: 2020-06-05
Anticipated expiration: 2029-04-27

Abstract

The utility model discloses a positive negative pressure system of double-circuit, concretely relates to system that can two-way switching of positive negative pressure, this system is through each pump package of two automatically controlled board each correspondences, contains the pump body that a pump goes into gas and the pump body that a pump was out gas in each pump package, realizes the two-way switching function of positive negative pressure of the inside pressure of single gas holder. Two air storage tanks are fixedly arranged in the base assembly, two electric control plates are fixedly arranged in the upper cover assembly, the electric control plates are in signal connection with the pressure sensor, two pump sets are further arranged in the upper cover assembly, and each pump set comprises a first pump and a second pump; the upper cover assembly is internally and fixedly provided with a positive pressure assembly and a negative pressure assembly respectively, one of the two electric control plates is in signal connection with the negative pressure assembly, the other electric control plate is in signal connection with the positive pressure assembly, the negative pressure assembly is in signal connection with a pump, the positive pressure assembly is in signal connection with a pump, and a pump set conduit is communicated with the gas storage tank.

Description

Double-circuit positive and negative pressure system

Technical Field

The utility model relates to an ink jet printer subassembly specifically is a positive negative pressure system of double-circuit.

Background

The ink-jet printer can print patterns, LOGO and characters of various products by colors such as colors, any complex colors, transition colors and the like on any relative plane soft and hard materials such as organic glass, metal, plastic, crystal, wood products, leather, textile fabrics, copper plate paper and the like, does not need plate making, color register and complex plate drying procedures, and cannot damage the surface of the materials.

The ink supply system is a device which can continuously supply ink for the ink-jet printer in the current market, an ink bottle is connected with an ink box of the ink-jet printer by a guide pipe, a spray head is connected, the ink in the ink bottle is transferred to the ink box by pumping, the ink box is connected with the spray head by the guide pipe to form a vertical state, the ink box is arranged above the spray head, an ink hole on the lower surface of the spray head is communicated with the atmosphere, and therefore the ink in the ink box is continuously supplied to the spray head by gravity.

In order to maintain the printing of the nozzle, a constant negative pressure is required to be provided for the ink box, so that the ink between the ink box and the nozzle overcomes the self gravity, the suspension state of the ink between the ink box and the nozzle is maintained, and the ink is conveniently sprayed to the surface of a printing medium through the nozzle.

Ink jet printer when the clean maintenance shower nozzle printing state of maintaining, need to press out the ink from the ink horn to the shower nozzle to the inside malleation atmospheric pressure of inputing of ink horn, the bubble in the removal ink and guarantee that the ink transmission is unobstructed, need invariably input ink horn normal atmospheric pressure value size in this moment, make its pressure value maintain the safe atmospheric pressure value that the shower nozzle can accept, prevent to input the too big shower nozzle of damaging of normal atmospheric pressure.

Most of positive and negative pressure systems in the existing ink supply system are single and independent, have low integration level, cannot be operated in a modularized mode, cannot realize the function of randomly switching positive pressure and negative pressure in the same equipment, and are relatively complex in actual operation.

SUMMERY OF THE UTILITY MODEL

Based on the weak point among the prior art mentioned in the above-mentioned background art, for this reason the utility model provides a double-circuit positive negative pressure system.

The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:

a double-path positive and negative pressure system comprises a base assembly and an upper cover assembly, wherein two air storage tanks are fixedly mounted in the base assembly, and pressure sensors for monitoring the pressure in the air storage tanks are arranged at the ports of the air storage tanks; the upper cover assembly is internally and fixedly provided with two electric control plates which are in signal connection with the pressure sensor, and the upper cover assembly is internally provided with two pump groups, wherein each pump group comprises a first pump and a second pump; the upper cover assembly is internally and fixedly provided with a positive pressure assembly and a negative pressure assembly respectively, one of the two electric control plates is in signal connection with the negative pressure assembly, the other electric control plate is in signal connection with the positive pressure assembly, the negative pressure assembly is in signal connection with a pump, the positive pressure assembly is in signal connection with a pump, and a pump set guide pipe is communicated with the gas storage tank.

As a further aspect of the present invention: two electromagnetic valves are fixedly installed in the upper cover assembly, the electromagnetic valves are arranged at the conduction positions of the pump set and the gas storage tank, and the two electric control plates are respectively in signal connection with one electromagnetic valve.

As a further aspect of the present invention: two filters are fixed inside the upper cover assembly and are positioned at the input end of the pump set.

As a further aspect of the present invention: two air outlets are formed in the side wall of the upper cover assembly and correspondingly communicated with output ends of the two air storage tanks.

As a further aspect of the present invention: the pressure sensor, the positive pressure assembly, the negative pressure assembly, the electromagnetic valve, the electric control board and the pump set are all connected with a power supply for supplying power to the components through wires.

After the structure more than adopting, the utility model discloses compare in prior art, possess following advantage: the system realizes the function of bidirectional positive and negative pressure switching of the pressure intensity in a single gas storage tank by corresponding two electric control plates to each pump group, wherein each pump group comprises a pump body for pumping gas and a pump body for pumping gas, and the electric control plates are matched with the pressure sensor to perform a real-time automatic control function, so that the intelligent degree is high, and the ink supply control efficiency of the digital inkjet printer is greatly improved.

Drawings

Fig. 1 is an overall appearance view of a two-way positive and negative pressure system.

Fig. 2 is a schematic diagram of the internal structure of the base assembly in the two-way positive and negative pressure system.

FIG. 3 is a schematic diagram of the internal structure of the upper cover assembly in a two-way positive and negative pressure system.

In the figure: 1-a base assembly; 2-an upper cover assembly; 3-a gas storage tank; 4-a pressure sensor; 5-a positive pressure component; 6-a negative pressure component; 7-a filter; 8-pump number one; 9-pump number two; 10-an electromagnetic valve; 11-an electric control board; 12-air outlet.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a two-way positive and negative pressure system includes a base assembly 1 and an upper cover assembly 2; the inside fixed mounting of base subassembly 1 has two

gas holders

3, and 3 port departments of gas holder are provided with the pressure sensor 4 that carries out the monitoring to 3 inside pressures of gas holder, and pressure sensor 4 fixed mounting is in 1 inner wall of base subassembly, through the pressure of 4 real-time supervision 3 inside gases of gas holder, and the pressure sensor 4 outside is provided with the display screen that is used for showing atmospheric pressure size and to the operating button of atmospheric pressure size control.

Two electric control plates 11 are fixedly installed inside the upper cover assembly 2, the electric control plates 11 are in signal connection with the pressure sensor 4, two pump sets are further installed inside the upper cover assembly 2, each pump set comprises a first pump 8 and a second pump 9, and the pressure sensor 4 monitors the pressure inside the gas storage tank 3 and transmits the pressure to the electric control plates 11 in an electric signal mode; the upper cover component 2 is internally and fixedly provided with a positive pressure component 5 and a negative pressure component 6 respectively, one of the two electric control plates 11 is in signal connection with the negative pressure component 6, the other electric control plate 11 is in signal connection with the positive pressure component 5, the negative pressure component 6 is in signal connection with a first pump 8, the positive pressure component 5 is in signal connection with a second pump 9, a pump group conduit is communicated with the gas storage tank 3, the electronic control board 11 sends an action command to the electromagnetic valve 10 and simultaneously sends a command to the positive pressure component 5 or the negative pressure component 6, the positive pressure component 5 or the negative pressure component 6 sends a working command to the corresponding second pump 9 or the corresponding first pump 8 to pump gas in or out, the second pump 9 pumps gas into the corresponding gas storage tank 3 through a guide pipe to increase the gas pressure or the first pump 8 pumps gas into the corresponding gas storage tank 3 through a guide pipe to decrease the gas pressure, so that the constant negative pressure or positive pressure is kept in the gas storage tank 3, and any switching function of the positive pressure and the negative pressure is achieved.

Two solenoid valves 10 are fixedly installed in the upper cover assembly 2, the solenoid valves 10 are arranged at the conduction positions of the pump set and the gas storage tank 3, two electric control boards 11 are respectively connected with the solenoid valves 10 through signals, one row of cable jacks are formed in the outer sides of the electric control boards 11, when the electric control boards 11 send commands of pumping gas into or out of the pump set, the solenoid valves 10 are opened, when the electric control boards 11 do not send commands, the solenoid valves 10 are closed, the internal gas pressure of the gas storage tank 3 is kept constant, and the pressure sensor 4, the positive pressure assembly 5, the negative pressure assembly 6, the solenoid valves 10, the electric control boards 11 and the pump set are all.

Example 2

For further explanation of the above two-way positive and negative pressure system, the present application provides another embodiment, in which the two-way positive and negative pressure system has the following technical features: two filters 7 are fixed inside the upper cover assembly 2, the filters 7 are located at the input end of the pump set, two gas outlets 12 are formed in the side wall of the upper cover assembly 2, the two gas outlets 12 correspond to the output ends of the two gas storage tanks 3, the pumped gas is filtered through the filters 7, and internal blockage is prevented to cause faults.

According to the detailed description of the above embodiments, it is easy to understand that the working principle of the present invention is: the pressure of gas in the gas storage tank 3 is monitored in real time through the pressure sensor 4, the pressure sensor 4 monitors the pressure in the gas storage tank 3 and transmits the pressure to the electronic control board 11 in an electric signal mode, the electronic control board 11 sends an action command to the electromagnetic valve 10 and simultaneously sends a command to the positive pressure component 5 or the negative pressure component 6, the positive pressure component 5 or the negative pressure component 6 sends a working command to the corresponding second pump 9 or the corresponding first pump 8 to pump gas or pump out gas, the second pump 9 pumps gas into the corresponding gas storage tank 3 through a guide pipe to increase the gas pressure or the first pump 8 pumps gas into the corresponding gas storage tank 3 through a guide pipe to decrease the gas pressure, constant negative pressure or positive pressure in the gas storage tank 3 is achieved, any switching function of positive and negative pressure is achieved, when the electronic control board 11 sends a gas pumping or pumping command to the pump group, the electromagnetic valve 10 is opened, when the electronic control board, the electromagnetic valve 10 is closed, the air pressure in the air storage tank 3 is kept constant, and the pumped air is filtered through the filter 7, so that the internal blockage is prevented, and the fault is caused.

It should be noted that, the electric control board and the electromagnetic valve in the application are the application of the prior art, each pump group is corresponding to each two electric control boards, each pump group comprises a pump body for pumping gas and a pump body for pumping gas, the positive and negative pressure bidirectional switching function of the pressure inside a single gas storage tank is realized, the real-time automatic control function is carried out by utilizing the electric control boards and the pressure sensor, the intelligent degree is high, the ink supply control efficiency of the digital inkjet printer is greatly improved, the innovation point of the application is that the existing ink supply system only has the one-way control function, and the problem that the positive and negative pressure bidirectional switching cannot be realized is effectively solved.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A double-circuit positive and negative pressure system comprises a base component (1) and an upper cover component (2), and is characterized in that two air storage tanks (3) are fixedly arranged in the base component (1), and pressure sensors (4) for monitoring the internal pressure of the air storage tanks (3) are arranged at ports of the air storage tanks (3); two electric control plates (11) are fixedly installed in the upper cover assembly (2), the electric control plates (11) are in signal connection with the pressure sensor (4), two pump sets are further installed in the upper cover assembly (2), and each pump set comprises a first pump (8) and a second pump (9); the vacuum pump is characterized in that a positive pressure component (5) and a negative pressure component (6) are respectively and fixedly mounted in the upper cover component (2), one of the two electric control plates (11) is in signal connection with the negative pressure component (6), the other electric control plate (11) is in signal connection with the positive pressure component (5), the negative pressure component (6) is in signal connection with a pump (8), the positive pressure component (5) is in signal connection with a pump (9), and a pump group conduit is communicated with the gas storage tank (3).

2. A two-way positive and negative pressure system according to claim 1, wherein two electromagnetic valves (10) are fixedly installed in the upper cover assembly (2), the electromagnetic valves (10) are arranged at the conduction position of the pump set and the air storage tank (3), and the two electric control boards (11) are respectively in signal connection with the two electromagnetic valves (10).

3. A two-way positive and negative pressure system according to claim 1, wherein two filters (7) are fixed inside the upper cover assembly (2), the filters (7) being located at the input end of the pump group.

4. A two-way positive and negative pressure system as claimed in claim 1, wherein the side wall of the upper cover assembly (2) is provided with two air outlets (12), and the two air outlets (12) are correspondingly communicated with the output ends of the two air storage tanks (3).

5. A two-way positive-negative pressure system according to any one of claims 1-4, wherein the pressure sensor (4), the positive pressure component (5), the negative pressure component (6), the electromagnetic valve (10), the electric control board (11) and the pump unit are all connected with a power supply through wires.